Home / 27,325.80-37,711.44-20,599.56

Finding the Fourth Proportional to 27,325.80, 37,711.44 and 20,599.56

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Solution

The fourth proportional to 27,325.80, 37,711.44 and 20,599.56 is: 28,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.80 : 37,711.44 = 20,599.56 : x
  2. Step 2: Convert to fraction form
    27,325.80/37,711.44 = 20,599.56/x
  3. Step 3: Cross multiply
    27,325.80x = 37,711.44 × 20,599.56
  4. Step 4: Simplify right side
    27,325.80x = 776,839,070.97
  5. Step 5: Solve for x
    x = 776,839,070.97/27,325.80
  6. Step 6: Final answer
    x = 28,428.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.